Author: Uri Blass
Date: 04:58:35 11/05/04
Go up one level in this thread
On November 05, 2004 at 07:11:22, Uri Blass wrote: >On November 04, 2004 at 21:59:06, Mike Byrne wrote: > >>I have commenced the effort to put forth my interpretation of the best of Crafty >>for the year 2004. >> >>This modified Crafty will contain my interpretation of the best of Crafty 19.xx >>for the year 2004. It will have all the latest modified SE PB code, 4 new GM >>personalities ( 28 GM personalities in total) with a personalized book for each >>GM created that will play the openings that GM plays. So far, I have decided >>to add Kramnik and Leko -- I'm undecided about the other 2 GM personalities. >> >>Please let me know which other GM personalities you would like to see. They can >>be past or present, it helps if they were/are near the top. I would prefer not >>to add GMs under the age of 25 - Peter Leko just made it for my age requirement. >> >>I am also considering Vishy Anand but feel free to submitt anyone you would >>like to see. >> >>The code will not be from any one Crafty. I had narrowed the base down to >>between 19.12 and 19.8 -- and 19.8 won a 200 game tournament 61-40-99 (55%). I >>believe these earlier versions are stronger than the current Crafty 19.17 (just >>my opinion ). As a sanity check , I am now running this modified Crafty 19.8 >>(named Crafty Classic 2004 SE PB) against Crafty 19.17 . It is not only >>modified with the SE/PB code - I have also taken snippets of code from 19.12 and >>19.17 that I believe "help" Crafty. So it is in essence a modified Crafty with >>SE/PB code but in standard personality it will be unlike any Crafty that exist >>today. Hence, the name "Crafty Classic 2004 SE PB" Whether it is better or not >>than Crafty 19.17 , I will let you decide. > >Being better than Crafty19.17 is an easy job and it seems clear that almost >every version of Crafty is better than 19.17. > >There is also some evidence that 19.15 is better than 19.17 and 19.13 is better >than 19.17 > >http://www.husvankempen.de/nunn/ratingaegt2310.txt > > >http://f27.parsimony.net/forum67828/messages/205.htm >http://f27.parsimony.net/forum67828/messages/187.htm > >You can add the fact that the ssdf also found that 19.17 is probably weaker that >previous version that they tesed. > >You can also add frank quinsky results when Crafty19.17 came last place with >11/34 when Crafty19.15 had 15.5/34 against similiar opponents in round 3 and >Crafty19.13 had 15/34 in round 2 and round 1. > >The opponents were changed but there was no big difference in the strength of >the opponents. > >http://www.playwitharena.com/ >(see ATL league) > >I remember more tests that I was too lazy to search links for them. > >One of these tests may not be significant but when I combine all the data that >different people found that 19.17 is weaker then it seems to be very >significant. > >I remember no single test when 19.17 performed better than 19.15 or older >version so there is probably some big bug in 19.17(in case that a version is >only slightly weaker I can expect to see at least one tournament when it >performs better out of many tournaments). > >Uri If this is not enough we have another tournament when 19.13 scores better than 19.17 http://f27.parsimony.net/forum67828/messages/234.htm Uri
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